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Ticket Resolution Summary Owner Reporter
#10265 duplicate vbox crashes doing anything on vanilla ubuntu image Radek Antoniuk
Description

vbox crashes doing anything on vanilla ubuntu image downloaded from virtualboxes.org logs attached.

#13872 obsolete vbox crash on mounting USB-Stick kirsche40
Description

I did some hardware tests using an USB-Stick. I had to check how Windows 7 and an embedded PC with a custom Linux behave if a USB-Stick contains different partition types and file systems.

I used "palimpsest" in Linux to manipulate the partition types and for formatting file systems on stick. At the end I deleted all partitions on Stick with this tool. After that I used Windows Disk Management to set a single partition and formatting FAT32. When Windows finished its Job I tried to attach the Stick exclusively to my VM using VBox Menu > Devices > USB > Kingston DataTraveler 2.0. VBox immedaiately crashes.

Windows Application Log:

- <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
- <System>
  <Provider Name="Application Error" /> 
  <EventID Qualifiers="0">1000</EventID> 
  <Level>2</Level> 
  <Task>100</Task> 
  <Keywords>0x80000000000000</Keywords> 
  <TimeCreated SystemTime="2015-02-20T11:57:56.000000000Z" /> 
  <EventRecordID>117560</EventRecordID> 
  <Channel>Application</Channel> 
  <Computer>m1krsch-PC</Computer> 
  <Security /> 
  </System>
- <EventData>
  <Data>VirtualBox.exe</Data> 
  <Data>4.3.12.0</Data> 
  <Data>5375fea0</Data> 
  <Data>VBoxDD.DLL</Data> 
  <Data>0.0.0.0</Data> 
  <Data>5375fedb</Data> 
  <Data>c0000005</Data> 
  <Data>0000000000091554</Data> 
  <Data>51c</Data> 
  <Data>01d04d01e5b4660b</Data> 
  <Data>C:\Program Files\Oracle\VirtualBox\VirtualBox.exe</Data> 
  <Data>C:\Program Files\Oracle\VirtualBox\VBoxDD.DLL</Data> 
  <Data>b474bf05-b8f7-11e4-b876-0000e800116b</Data> 
  </EventData>
  </Event>
Name der fehlerhaften Anwendung: VirtualBox.exe, Version: 4.3.12.0, Zeitstempel: 0x5375fea0
Name des fehlerhaften Moduls: VBoxDD.DLL, Version: 0.0.0.0, Zeitstempel: 0x5375fedb
Ausnahmecode: 0xc0000005
Fehleroffset: 0x0000000000091554
ID des fehlerhaften Prozesses: 0x51c
Startzeit der fehlerhaften Anwendung: 0x01d04d01e5b4660b
Pfad der fehlerhaften Anwendung: C:\Program Files\Oracle\VirtualBox\VirtualBox.exe
Pfad des fehlerhaften Moduls: C:\Program Files\Oracle\VirtualBox\VBoxDD.DLL
Berichtskennung: b474bf05-b8f7-11e4-b876-0000e800116b
#894 fixed vbox consumes non-trivial CPU when guests are idle Paul Millar
Description

I have Debian sid, running on an Intel Pentium D dual-core 3GHz machine.

I'd like to run multiple guest-OSes: ScientificLinux [similar to CentOS] versions 3.0.x, 4.x and 5.x. I notice about 25%--50% (of a single-core) load on the host OS despite the guest OSes being idle.

With a single guest OS running, I noticed ~50% CPU usage (which linux load onto a single core). With two guest-OSes, the load is around 75% CPU (distributed between the two cores).

This is a problem as it limits the number of guest OSes that I can run comfortably.

If I attach strace to one of the guest OSes, I see many select()s timing-out followed by a call to gettimeofday(). This looks like a polling routine, which perhaps is responsible for host CPU consumption.

So, I guess the questions are:

  1. is this a known problem/issue?
  1. how (in general) does one investigate this class of problem? Would profiling the virtualbox code (using -pg/gprof) be of any use?

Cheers,

Paul

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